Swiss Legend Men's 30427-BB-01-GRYSA Airbourne Analog Display Swiss Quartz Grey Watch Date window at 4:00 Black dial with grey and white hands and Arabic numerals; luminous; black ion-plated stainless steel screw-down crown with grey silicone accent; sapphitek crystal; black ion-plated stainless steel case with grey silicone cover; grey silicone strap Swiss-quartz movement Case diameter: 50mm Water resistant to 330 feet